From owner-freebsd-usb@FreeBSD.ORG Thu Aug 1 14:27:43 2013 Return-Path: Delivered-To: freebsd-usb@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 9992EE01 for ; Thu, 1 Aug 2013 14:27:43 +0000 (UTC) (envelope-from toshi@ruby.ocn.ne.jp) Received: from defer113.ocn.ad.jp (defer113.ocn.ad.jp [122.28.15.167]) by mx1.freebsd.org (Postfix) with ESMTP id 6B1D92639 for ; Thu, 1 Aug 2013 14:27:43 +0000 (UTC) Received: from msgw001-05.ocn.ad.jp (msgw001-05.ocn.ad.jp [180.37.203.74]) by defer113.ocn.ad.jp (Postfix) with ESMTP id 2FCE21C72D2 for ; Thu, 1 Aug 2013 23:07:22 +0900 (JST) Received: from localhost (p11133-ipngn100303sizuokaden.shizuoka.ocn.ne.jp [114.176.34.133]) by msgw001-05.ocn.ad.jp (Postfix) with ESMTP id 434DDA82BEE; Thu, 1 Aug 2013 23:07:14 +0900 (JST) Date: Thu, 01 Aug 2013 23:07:13 +0900 (JST) Message-Id: <20130801.230713.74749403.toshi@ruby.ocn.ne.jp> To: freebsd-usb@FreeBSD.org Subject: HS isochronous transfer on musb_otg From: SAITOU Toshihide X-GPG-fingerprint: 34B3 0B6A 8520 F5B0 EBC7 69F6 C055 9F8A 0D49 F8FC X-Mailer: Mew version 6.2.51 on Emacs 22.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2013 14:27:43 -0000 My UVC cam is not working with the musb_otg driver and libusb(3) on the BeagleBone Black. With the following changes to the musb_otg.c, it feels like the transaction is performed as expected but the data doesn't pass to the libusb_transfer's buffer. Does anyone know what is wrong? 1729c1729 < MUSB2_WRITE_1(sc, MUSB2_REG_RXNAKLIMIT, MAX_NAK_TO); --- > MUSB2_WRITE_1(sc, MUSB2_REG_RXNAKLIMIT, 0); 4046c4046 < parm->hc_max_frame_size = 0x400; --- > parm->hc_max_frame_size = 0xc00; SAITOU Toshihide